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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

In this activity about light and perception, learners create and observe moire patterns.

This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.

In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space.

In this quick and simple activity about reflexes (at the top of the webpage), learners conduct a simple test to explore pupillary response.

In this activity, learners create a cylindrical mirror to see themselves as others see them.

In this optics activity, learners build a spy tool to secretly view things over walls or around corners.

Learners use two mirrors to explore how images of images of images can repeat forever.

In this lab (Activity #1 on page), learners explore how we see color.

In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.

In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods.

In this activity, learners construct a device that allows them to view 2-D images in 3-D.

This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.